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What are the hardware specifications of the PlayStation 4?

Sony released the following PlayStation 4 specifications during their press conference on February 20, 2013:

1. A fully customized 8-core AMD "Jaguar" x86-64 processor with an integrated graphics APU. The PS4’s predecessor used cell microprocessors, which greatly accelerated multimedia and dedicated CPU functions while sacrificing some overall performance (i.e. you faced longer load times but the world “filled” in faster). By switching to the more computer-friendly x86-64 processors, video game development will easier to port and test across multiple platforms and allow for faster overall performance.

2. A "next-generation" AMD Radeon graphics engine with a maximum delivery of 1.84 teraflops (CPU and GPU combined), although this figure changes during regular operation. This represents the raw processing power of the PS4 with a higher number meaning more graphics power. From bloom lighting effects to the amount of shading detail, all video game developers love an open playground of possibility. Compare the PS4’s potential of 1.84 teraflops (CPU and GPU combined) to the PS3’s operating power of ~218 gigaflops (GPU only). Assume the maximum 1.84 teraflops will never be fully used in any PS4 game.

3. 8 gigabytes of dedicated GDDR5 memory, which is surprisingly in line with most midrange gaming computers on the market. Compared to the PS3’s 256MB XDR Main RAM and 256MB GDDR3 VRAM, that is a lot more processing power (16 times more to be exact). The memory pool this time around is unified so there aren’t two separate pathways when accessing available RAM. This is a good sign for video game developers who found the previous model very troublesome for what could be accomplished at any one time without lagging through the details.

4. A read-only optical drive for Blu-ray/DVD discs, which will have 6x CAV for a maximum load speed of 27 MB/s. Compared to the PlayStation 3’s 2x CAV with a maximum load speed of 9 MB/s, this allows the PS4 to display crisp 1080p resolution without slowdown or significant lag as your character moves through the world. The PS4 can also display photos and videos at 4K resolutions, but will not be available to display them at launch. Most people can’t afford a television set capable of displaying 4K resolution yet.

5. Other mentioned specs included with the purchase of your PS4 are: an unspecified number of USB 3.0 ports; a dedicated auxiliary port for the PlayStation 4 Eye; the dual-camera sensor bar (Eye); a DualShock 4 controller; a mono headset; 802.11 b/g/n wireless network connectivity; Ethernet port; and Bluetooth 2.1.